CHEVROLET, GMC · 2019-05-13
This Technical bulletin provides a Correction for a Condition of OnStar Red LED Illuminated - DTCs U18B4, U18B5, U18AF Set.
U18AF · Manufacturer communications
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
U18AF ← What does this code mean?1 Results